- Who
- David Rush
- What
- 37:56 minute(s):second(s)
- Where
- United States (Boise)
- When
The longest duration balancing a chainsaw on the chin is 37 min 56 sec and was achieved by David Rush (USA), in Boise, Idaho, USA, on 8 December 2021.
David is a serial record breaker and, throughout 2021, he attempted to break one Guiness World Records title a week.